1990 Johnson Evinrude "ES" 40 thru 55, P/N 507872, Page 273Get this manual
Remote Control Servicing
Disassembly '" 1Disconnect battery cables before servicing electrical
ill systemsFailure to do so could result in injury from ignition
sources (sparks) or from contact with moving parts if accidental cranking or starting occurs
'a' threeTocomplete turnshandle, loosen Allen head screw 2remove control
3Support control on blocks to allow the control handle to be driven off the controlPlace small center punch in head of Allen head screw and tap with plastic hammer to disengage the control handle splines from the hub splinesRemove the Allen head screw and the control handle4Remove three screws halves apart